Home / 13,385,929.80-20,078,894.70-4,409,315.40

Finding the Fourth Proportional to 13,385,929.80, 20,078,894.70 and 4,409,315.40

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Solution

The fourth proportional to 13,385,929.80, 20,078,894.70 and 4,409,315.40 is: 6,613,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,929.80 : 20,078,894.70 = 4,409,315.40 : x
  2. Step 2: Convert to fraction form
    13,385,929.80/20,078,894.70 = 4,409,315.40/x
  3. Step 3: Cross multiply
    13,385,929.80x = 20,078,894.70 × 4,409,315.40
  4. Step 4: Simplify right side
    13,385,929.80x = 88,534,179,615,688.39
  5. Step 5: Solve for x
    x = 88,534,179,615,688.39/13,385,929.80
  6. Step 6: Final answer
    x = 6,613,973.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.